135392

Appears in sequences

• Number of antisymmetric transitive binary relations on n labeled points.at n=5A085628
• Expansion of phi(-q^5) / phi(-q) in powers of q where phi() is a Ramanujan theta function.at n=34A138526
• a(n) = 529*n^2 - 2*n.at n=15A158364
• Expansion of phi(q^5) / phi(q) in powers of q where phi() is a Ramanujan theta function.at n=34A261968
• Triangular array read by rows. T(n,k) is the number of labeled transitive relations on [n] that have exactly k symmetric points.at n=15A355783